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The immediate aim of this study was to develop and test a method to record, visualize and quantify real-time demineralization (or remineralization) of teeth in vitro using X-ray microtomography (XMT or micro-CT). The longer term objective is to improve understanding of demineralization processes, allowing the creation of better artificial models of dental caries and better quantification of the efficacy...
Dual energy X-ray microtomography measurements above and below the Zr K absorption edge have been used to make separate reconstructions of ZrO 2 particle and void distributions in failed metal matrix composite tensile test specimens. A correlation is found between the local concentration of voids nucleated prior to failure and the local concentration of reinforcement.
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